页岩核磁共振孔隙度精确测定实验研究

杜群杰

Experimental Study on Accurate Determination of Shale Porosity by Nuclear Magnetic Resonance

DU Qunjie

图5 干页岩样品FID与CPMG脉冲序列响应信号的差异对比

Fig 5. Comparison of FID and CPMG pulse sequences’ response signals for a dry shale sample